update to 1.21
new gui
new admin features
status update bug fixes

added
Uppercase/LengthLimit-Toggle
Prefix-LengthLimit

and some bug fixes

get command fixed
error fixes with paper-spigot
messages changes
set command fixed

-Join/leave Message Fix
-and other Fixes

-Fixed Join/Leave Message Toggle
-added PlayerDeath to tablist with toggle
-removed unused files

-Added Toggle for Join/Leave Message to toggle between my custom message and the default one.

-intenal updates for the plugin for better experience
-blocked words function
-various bug fixes